What is the ratio as a fraction in simplest form of .11: 1.21

Damon makes 20 cups of lemonade by mixing lemon juice and water. the ratio of lemon juice to water is shown in the tape diagram. lemon juice\text{lemon juice} lemon juice water\text{water} water how much lemon juice did damon use in the lemonade? cups

Which equation is y = -6x2 + 3x + 2 rewritten in vertex form?

An ant travels at a constant rate of 30cm every 2 minutes.at what speed does the ant travel per minute